a human limb; technically the part of the superior limb between the shoulder and the elbow but commonly used to refer to the whole superior limb. arm, branch, limb (noun). any projection that is thought to resemble a human arm.
Vertebrate are the animals belonging to the sub-phylum Vertebrata. They belong to the Phylum Chordata. The characteristics of phylum chordata is the presence of notochord, a dorsal hollow nerve cord and paired pharyngeal gill slits. The members of subphylum Vertebrata possess notochord during the embryonic period.hey belong to the Phylum Chordata. The characteristics of phylum chordata is the presence of notochord, a dorsal hollow nerve cord and paired pharyngeal gill slits. The members of subphylum Vertebrata possess notochord during the embryonic period.
Animals with an internal skeleton made of bone are called vertebrates. Classification. They are classified into 30 phyla. They are classified into five groups, that is, fish, amphibians, reptiles, birds, and mammals. Kingdom. Animalia. Animalia. Physical Characteristics. The invertebrates are multicellular.nimals with an internal skeleton made of bone are called vertebrates. Classification. They are classified into 30 phyla. They are classified into five groups, that is, fish, amphibians, reptiles, birds, and mammals. Kingdom. Animalia. Animalia. Physical Characteristics. The invertebrates are multicellular.